... . It is the best curtain wall material nowdays, it is applied for exterior decoration,including wall panel, curtain wall, gutter board, roof and ... ,4mm,6mm2.Aluminum thickness:0.20mm-0.60mm3.Length:2,440mm-6,000mm4.Width:1,220mm-1,520mm5.Standard ... dimensions:a)1,220mm*2,440mm*3mm; b)1,220mm*2,440mm*4mm6.Color:Twenty-seven colors ... gloss retention in a long time ACP for Curtain Wall